From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2F358399A69; Wed, 14 Jan 2026 12:29:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768393743; cv=none; b=ZGNPmzNjKIdMmsYGmndnhi6mi0/13JFDzW6zDkroF6UH6wO8by1U8xlR0AOCTRk3rqbZaY05a8+K+S1FrTJrWuXU3oH7T0A6wvlH5cVrdEgtBfSpl+MN62JfTw5XQ6ASuQgnhwLmXMU9HeXhx4DouMGPxI+Sp1KW6tJNXueAZ9g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768393743; c=relaxed/simple; bh=2LVUPJAyVyauvFS49vi97xmP0WMroGHn6IQqudEGN2c=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=IntxL8C8d8tfKG4jgFA6sBtq69qpxZu7wmwUe+PRzG7JmJvU7eX5Qva35dQte/rzuBtxdjQ3qjC37cTi+LZkA3moCXhrIODw0Dnek6rZJ4IWcXwX/KzKQ4Ax/htaVELND1cE0NPFlG+9dTwT+hPDPoPYDBxbl3kAsNvUlR8gzhw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UZzxO7pL; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UZzxO7pL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0DB30C4CEF7; Wed, 14 Jan 2026 12:28:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768393742; bh=2LVUPJAyVyauvFS49vi97xmP0WMroGHn6IQqudEGN2c=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=UZzxO7pL24lBvpdl1yW2iNKJHrmOL9xko6kMOCad3v9j6YfEYsgb2G8yIz5wt0iaw gnNNyD1rs+q/oqGcWDu9ny+k4UCf/+zmgwv5OL6s5LnzPnWVcgkJ2L9aNoiEA+XdL2 G7NsXm0gSwM2wclNrL5RQSLnVVyBNjsf9KkFO26wAJISZH0AfllbWlYVsFtNyBqyJ0 gOhG0ynHhGM9mSgO+ci43Yc7zOWpRaVylc14J5VBTXkTjuCHZsWoyigx5cZiUCsgO7 oKZuKbdJC3Dwc2rBIiQCWC7S7JjQZTNmGRiGTGbWmcwH85AKARtM2Sg3t2b/h2OYnN MH0+g17HO78Ew== Message-ID: <3bc63f36-a732-43d8-8f65-43d532adcd68@kernel.org> Date: Wed, 14 Jan 2026 13:28:55 +0100 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/6] powerpc64/bpf: Support tailcalls with subprogs & BPF exceptions To: adubey@linux.ibm.com, bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Cc: hbathini@linux.ibm.com, sachinpb@linux.ibm.com, venkat88@linux.ibm.com, andrii@kernel.org, eddyz87@gmail.com, mykolal@fb.com, ast@kernel.org, daniel@iogearbox.net, martin.lau@linux.dev, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org, naveen@kernel.org, maddy@linux.ibm.com, mpe@ellerman.id.au, npiggin@gmail.com, memxor@gmail.com, iii@linux.ibm.com, shuah@kernel.org References: <20260114114450.30405-1-adubey@linux.ibm.com> Content-Language: fr-FR From: "Christophe Leroy (CS GROUP)" In-Reply-To: <20260114114450.30405-1-adubey@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Le 14/01/2026 à 12:44, adubey@linux.ibm.com a écrit : > From: Abhishek Dubey > > This patch series enables support for two BPF JIT features > on powerpc64. The first three patches target support for > tail calls with subprogram combinations. The first patch > supports realignment of tail_call_cnt offset in stack frame. > Implementation details are provided in the commit messages. Did you consider doing it also for powerpc32 ? Christophe